ToolHub
ast, free, 100% client-side privacy developer tools
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ToolHub - ast, free, 100% client-side privacy developer tools

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ToolHub is a collection of fast, lightweight, and 100% privacy-first utility tools for developers. Convert JSON to CSV, format SQL, encode/decode Base64, convert timestamps, and test regex—all executed directly in your browser with zero data uploaded to any server.

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Hi Product Hunt community! 👋 As a developer, I found myself constantly searching for online tools like JSON formatters, Base64 decoders, and timestamp converters throughout my daily workflow. However, almost every existing tool either: Cluttered the screen with intrusive banner ads, or Sent my sensitive JSON payloads and tokens to an unknown backend server. That’s why I built ToolHub! 🛠️ ✨ Key Highlights: 🔒 100% In-Browser Privacy: All computations (JSON parsing, Base64 conversions, SQL formatting) run entirely client-side via JavaScript. Zero data ever touches a server. ⚡ Blazing Fast: Built on modern Next.js static architecture for instant sub-second page loads. 🌐 Free & Open Access: Clean UI, zero mandatory sign-up, and zero tracking. I’d love to hear your feedback, tool requests, or feature suggestions! What developer tool should I add next? Thanks for checking it out! 🚀